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How to use toBeSymbol method in jest-extended

Best JavaScript code snippet using jest-extended

UnidocSymbol.spec.ts

Source:UnidocSymbol.spec.ts

...10  /**11   * 12   */13  it('instantiate an empty symbol by default', function () {14    expect(new UnidocSymbol()).toBeSymbol(UTF32CodeUnit.NULL)15  })16  /**17   * 18   */19  describe('prototype.copy', function () {20    /**21     * 22     */23    it('copy an instance', function copyAnInstance() {24      const source: UnidocSymbol = new UnidocSymbol(25        UTF32CodeUnit.LATIN_CAPITAL_LETTER_R,26        UnidocOrigin.fromRuntime(copyAnInstance).atCoordinates(0, 5, 145)27      )28      const destination: UnidocSymbol = new UnidocSymbol()29      expect(destination).not.toBeSymbol(source)30      destination.copy(source)31      expect(destination).toBeSymbol(source)32    })33  })34  /**35   * 36   */37  describe('prototype.clone', function () {38    /**39     * 40     */41    it('returns a copy', function returnsACopy() {42      const source: UnidocSymbol = new UnidocSymbol(43        UTF32CodeUnit.LATIN_CAPITAL_LETTER_R,44        UnidocOrigin.fromRuntime(returnsACopy).atCoordinates(0, 5, 145)45      )46      expect(source).toBeSymbol(source.clone())47      expect(source).not.toBe(source.clone())48    })49  })50  /**51   * 52   */53  describe('prototype.clear', function () {54    /**55     * 56     */57    it('reset an instance', function resetsAnInstance() {58      const source: UnidocSymbol = new UnidocSymbol(59        UTF32CodeUnit.LATIN_CAPITAL_LETTER_R,60        UnidocOrigin.fromRuntime(resetsAnInstance).atCoordinates(0, 5, 145)61      )62      expect(source).not.toBeSymbol(UnidocSymbol.DEFAULT)63      source.clear()64      expect(source).toBeSymbol(UnidocSymbol.DEFAULT)65    })66  })67  /**68   * 69   */70  describe('prototype.equals', function () {71    /**72     * 73     */74    it('returns false if compared to value of another type', function returnsFalseIfComparedToValueOfAnotherType() {75      const instance: UnidocSymbol = new UnidocSymbol(76        UTF32CodeUnit.LATIN_CAPITAL_LETTER_R,77        UnidocOrigin.fromRuntime(returnsFalseIfComparedToValueOfAnotherType).atCoordinates(0, 5, 145)78      )...

toBeSymbol.ts

Source:toBeSymbol.ts

...16    interface Matchers<R> {17      /**18       * 19       */20      toBeSymbol(symbol: UTF32CodeUnit): R;21      /**22       * 23       */24      toBeSymbol(origin: UnidocOrigin, symbol: UTF32CodeUnit): R;25      /**26       * 27       */28      toBeSymbol(symbol: UnidocSymbol): R;29    }30  }31}32/**33 * 34 */35function createNullMessage(this: jest.MatcherContext, received: null | undefined) {36  return (37    `Expected value to be an instance of ${UnidocSymbol.constructor.name} but ` +38    `received ${this.utils.printReceived(received)} instead.`39  )40}41/**42 * 43 */44function createNotAnObjectMessage(this: jest.MatcherContext, received: unknown) {45  return (46    `Expected value to be an instance of ${UnidocSymbol.constructor.name} but ` +47    `received an instance of ${typeof received} instead.`48  )49}50/**51 * 52 */53function createNotASymbolMessage(this: jest.MatcherContext, received: object) {54  return (55    `Expected value to be an instance of ${UnidocSymbol.constructor.name} but ` +56    `received an instance of ${received.constructor.name} instead.`57  )58}59/**60 * 61 */62function createDifferentSymbolMessage(this: jest.MatcherContext, received: UnidocSymbol, expected: UnidocSymbol) {63  const printer: UnicodeTablePrinter = new UnicodeTablePrinter(3)64  printer.pushValues('property', 'received', 'expected')65  printer.tint(undefined)66  printer.pushValues('code', UTF32CodeUnit.toDebugString(received.code), UTF32CodeUnit.toDebugString(expected.code))67  printer.tint(received.code === expected.code ? chalk.green : chalk.red)68  printer.pushValues('range', received.origin.range.toString(), expected.origin.range.toString())69  printer.tint(received.origin.range.equals(expected.origin.range) ? chalk.green : chalk.red)70  printer.pushValues('source', received.origin.source.toString(), expected.origin.source.toString())71  printer.tint(received.origin.source.equals(expected.origin.source) ? chalk.green : chalk.red)72  return (73    `Expected ${received.toString()} to be ${expected.toString()} but there is notable differences :\r\n` +74    `${printer.head(0)}\r\n` +75    `${printer.after(1)}\r\n` +76    `${printer.head(0)}`77  )78}79/**80 * 81 */82function createEqualSymbolMessage(this: jest.MatcherContext, received: UnidocSymbol, expected: UnidocSymbol) {83  return `Expected ${received.toString()} not to be ${expected.toString()}.`84}85/**86 * 87 */88export function toBeSymbol(this: jest.MatcherContext, received: unknown, origin: UnidocOrigin, symbol: UTF32CodeUnit): jest.CustomMatcherResult89/**90 * 91 */92export function toBeSymbol(this: jest.MatcherContext, received: unknown, expected: UTF32CodeUnit): jest.CustomMatcherResult93/**94 * 95 */96export function toBeSymbol(this: jest.MatcherContext, received: unknown, expected: UnidocSymbol): jest.CustomMatcherResult97/**98 * 99 */100export function toBeSymbol(this: jest.MatcherContext, received: unknown, ...parameters: any[]): jest.CustomMatcherResult {101  if (parameters.length > 1) {102    return implementation.call(this, received, new UnidocSymbol(parameters[0], parameters[1]))103  } else {104    if (parameters[0] instanceof UnidocSymbol) {105      return implementation.call(this, received, parameters[0])106    } else {107      return implementation.call(this, received, new UnidocSymbol(parameters[0]))108    }109  }110}111function implementation(this: jest.MatcherContext, received: unknown, expected: UnidocSymbol) {112  if (received == null) {113    return { pass: false, message: createNullMessage.bind(this, received) }114  }...

to_be_symbol.ts

Source:to_be_symbol.ts

...20 *   },21 * });22 *23 * test("passes when value is a symbol", () => {24 *   expect(Symbol()).toBeSymbol();25 *   expect(true).not.toBeSymbol();26 * });27 * ```28 */29function toBeSymbol(actual: unknown): MatchResult {30  return {31    pass: isSymbol(actual),32    expected: "symbol",33  };34}...

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when value is a symbol', () => {4  expect(Symbol('foo')).toBeSymbol();5});6test('fails when value is not a symbol', () => {7  expect('foo').toBeSymbol();8});9const { toBeSymbol } = require('jest-extended');10expect.extend({ toBeSymbol });11test('passes when value is a symbol', () => {12  expect(Symbol('foo')).toBeSymbol();13});14test('fails when value is not a symbol', () => {15  expect('foo').toBeSymbol();16});17const { toBeSymbol } = require('jest-extended');18expect.extend({ toBeSymbol });19test('passes when value is a symbol', () => {20  expect(Symbol('foo')).toBeSymbol();21});22test('fails when value is not a symbol', () => {23  expect('foo').toBeSymbol();24});25const { toBeSymbol } = require('jest-extended');26expect.extend({ toBeSymbol });27test('passes when value is a symbol', () => {28  expect(Symbol('foo')).toBeSymbol();29});30test('fails when value is not a symbol', () => {31  expect('foo').toBeSymbol();32});33const { toBeSymbol } = require('jest-extended');34expect.extend({ toBeSymbol });35test('passes when value is a symbol', () => {36  expect(Symbol('foo')).toBeSymbol();37});38test('fails when value is not a symbol', () => {39  expect('foo').toBeSymbol();40});41const { toBeSymbol } = require('jest-extended');42expect.extend({ toBeSymbol });43test('passes when value is a symbol', () => {44  expect(Symbol('foo')).toBeSymbol();45});46test('fails when value is not a symbol', () => {47  expect('foo').toBeSymbol();48});

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when value is a symbol', () => {4  expect(Symbol('foo')).toBeSymbol();5});6test('fails when value is not a symbol', () => {7  expect(false).toBeSymbol();8});9const { toBeTrue } = require('jest-extended');10expect.extend({ toBeTrue });11test('passes when value is true', () => {12  expect(true).toBeTrue();13});14test('fails when value is not true', () => {15  expect(false).toBeTrue();16});17const { toBeType } = require('jest-extended');18expect.extend({ toBeType });19test('passes when value is a string', () => {20  expect('foo').toBeType('string');21});22test('fails when value is not a string', () => {23  expect(false).toBeType('string');24});25const { toBeUndefined } = require('jest-extended');26expect.extend({ toBeUndefined });27test('passes when value is undefined', () => {28  expect(undefined).toBeUndefined();29});30test('fails when value is not undefined', () => {31  expect(false).toBeUndefined();32});33const { toBeUrl } = require('jest-extended');34expect.extend({ toBeUrl });35test('passes when value is a URL', () => {36});37test('fails when value is not a URL', () => {38  expect(false).toBeUrl();39});40const { toBeValidDate } = require('jest-extended');41expect.extend({ toBeValidDate });42test('passes when value is a valid date', () => {43  expect(new Date()).toBeValidDate();44});45test('fails when value is not a valid date', () => {46  expect(false).toBeValidDate();47});48const { toBe

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when value is a symbol', () => {4  expect(Symbol('foo')).toBeSymbol();5});6test('fails when value is not a symbol', () => {7  expect('foo').not.toBeSymbol();8});9const { toBeTrue } = require('jest-extended');10expect.extend({ toBeTrue });11test('passes when value is true', () => {12  expect(true).toBeTrue();13});14test('fails when value is not true', () => {15  expect(false).not.toBeTrue();16});17const { toBeUndefined } = require('jest-extended');18expect.extend({ toBeUndefined });19test('passes when value is undefined', () => {20  expect(undefined).toBeUndefined();21});22test('fails when value is not undefined', () => {23  expect(null).not.toBeUndefined();24});25const { toBeWeakMap } = require('jest-extended');26expect.extend({ toBeWeakMap });27test('passes when value is a weakmap', () => {28  expect(new WeakMap()).toBeWeakMap();29});30test('fails when value is not a weakmap', () => {31  expect(new Map()).not.toBeWeakMap();32});33const { toBeWeakSet } = require('jest-extended');34expect.extend({ toBeWeakSet });35test('passes when value is a weakset', () => {36  expect(new WeakSet()).toBeWeakSet();37});38test('fails when value is not a weakset', () => {39  expect(new Set()).not.toBeWeakSet();40});41const { toBeWithinRange } = require('jest-extended');42expect.extend({ toBeWithinRange });43test('passes when value is within range', () => {44  expect(2).toBeWithinRange(1, 3);45});46test('fails when value is not within range', () => {47  expect(4).not.toBeWithinRange(1,

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when given a Symbol', () => {4  expect(Symbol('foo')).toBeSymbol();5});6test('fails when not given a Symbol', () => {7  expect('foo').not.toBeSymbol();8});9const { toBeTrue } = require('jest-extended');10expect.extend({ toBeTrue });11test('passes when given true', () => {12  expect(true).toBeTrue();13});14test('fails when not given true', () => {15  expect(false).not.toBeTrue();16});17const { toBeTruthy } = require('jest-extended');18expect.extend({ toBeTruthy });19test('passes when given truthy value', () => {20  expect(true).toBeTruthy();21});22test('fails when not given truthy value', () => {23  expect(false).not.toBeTruthy();24});25const { toBeType } = require('jest-extended');26expect.extend({ toBeType });27test('passes when given a number', () => {28  expect(1).toBeType('number');29});30test('fails when not given a number', () => {31  expect('foo').not.toBeType('number');32});33const { toBeUndefined } = require('jest-extended');34expect.extend({ toBeUndefined });35test('passes when given undefined', () => {36  expect(undefined).toBeUndefined();37});38test('fails when not given undefined', () => {39  expect('foo').not.toBeUndefined();40});41const { toBeUint } = require('jest-extended');42expect.extend({ toBeUint });43test('passes when given a Uint8Array', () => {44  expect(new Uint8Array()).toBeUint();45});46test('fails when not given a Uint8Array', () => {47  expect('foo').not.toBeUint();48});49const { toBeUint8Cl

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when value is a symbol', () => {4    expect(Symbol('foo')).toBeSymbol();5});6test('fails when value is not a symbol', () => {7    expect('foo').toBeSymbol();8});9const { toBeString } = require('jest-extended');10expect.extend({ toBeString });11test('passes when value is a string', () => {12    expect('foo').toBeString();13});14test('fails when value is not a string', () => {15    expect(1).toBeString();16});17const { toBeTrue } = require('jest-extended');18expect.extend({ toBeTrue });19test('passes when value is true', () => {20    expect(true).toBeTrue();21});22test('fails when value is not true', () => {23    expect(false).toBeTrue();24});25const { toBeTruthy } = require('jest-extended');26expect.extend({ toBeTruthy });27test('passes when value is truthy', () => {28    expect(true).toBeTruthy();29});30test('fails when value is not truthy', () => {31    expect(false).toBeTruthy();32});33const { toBeUndefined } = require('jest-extended');34expect.extend({ toBeUndefined });35test('passes when value is undefined', () => {36    expect(undefined).toBeUndefined();37});38test('fails when value is not undefined', () => {39    expect(null).toBeUndefined();40});41const { toBeWeakMap } = require('jest-extended');42expect.extend({ toBeWeakMap });43test('passes when value is a WeakMap', () => {44    expect(new WeakMap()).toBeWeakMap();45});46test('fails when value is not a WeakMap', () => {47    expect(new Map()).toBeWeakMap();48});49const { toBeWeakSet } = require

Using AI Code Generation

1expect(Symbol('foo')).toBeSymbol()2expect(Symbol.for('foo')).toBeSymbol()3expect(Symbol.iterator).toBeSymbol()4expect(Symbol('foo')).not.toBeSymbol()5expect(Symbol.for('foo')).not.toBeSymbol()6expect(Symbol.iterator).not.toBeSymbol()7expect(true).toBeTrue()8expect(false).not.toBeTrue()9expect(true).toBeTruthy()10expect(false).not.toBeTruthy()11expect(1).toBeTruthy()12expect(0).not.toBeTruthy()13expect('foo').toBeTruthy()14expect('').not.toBeTruthy()15expect([]).toBeTruthy()16expect([1]).toBeTruthy()17expect({}).toBeTruthy()18expect({ a: 1 }).toBeTruthy()19expect(null).not.toBeTruthy()20expect(undefined).not.toBeTruthy()21expect(1).toBeType('number')22expect(1).toBeType(Number)23expect('foo').toBeType('string')24expect('foo').toBeType(String)25expect(true).toBeType('boolean')26expect(true).toBeType(Boolean)27expect(undefined).toBeType('undefined')28expect(undefined).toBeType(undefined)29expect(null).toBeType('object')30expect(null).toBeType(Object)31expect({}).toBeType('object')32expect({}).toBeType(Object)33expect([]).toBeType('array')34expect([]).toBeType(Array)35expect(new Error()).toBeType('error')36expect(new Error()).toBeType(Error)37expect(new Map()).toBeType('map')38expect(new Map()).toBeType(Map)39expect(new Set()).toBeType('set')40expect(new Set()).toBeType(Set)41expect(new WeakMap()).toBeType('weakmap')42expect(new WeakMap()).toBeType(WeakMap)43expect(new WeakSet()).toBeType('weakset')44expect(new WeakSet()).toBeType(WeakSet)45expect(new ArrayBuffer()).toBeType('arraybuffer')46expect(new ArrayBuffer()).toBeType(ArrayBuffer)47expect(new DataView(new ArrayBuffer())).toBeType('dataview')48expect(new DataView(new ArrayBuffer())).toBeType(DataView)49expect(new Date()).toBeType('date')50expect(new Date()).toBeType(Date)51expect(new Promise(() => {})).toBeType('promise')52expect(new Promise(() => {})).toBeType(Promise)53expect(new RegExp()).toBeType('regexp')

Using AI Code Generation

1test('toBeSymbol', () => {2  const sym = Symbol('foo');3  expect(sym).toBeSymbol();4});5test('toBeTrue', () => {6  expect(true).toBeTrue();7});8test('toBeUndefined', () => {9  expect(undefined).toBeUndefined();10});11test('toBeWeakMap', () => {12  expect(new WeakMap()).toBeWeakMap();13});14test('toBeWeakSet', () => {15  expect(new WeakSet()).toBeWeakSet();16});17test('toBeWithinRange', () => {18  expect(2).toBeWithinRange(1, 3);19});20test('toContainAllEntries', () => {21  expect(new Map([['a', 1], ['b', 2]])).toContainAllEntries([22  ]);23});24test('toContainAllKeys', () => {25  expect(new Map([['a', 1], ['b', 2]])).toContainAllKeys(['a', 'b']);26});27test('toContainAnyEntries', () => {28  expect(new Map([['a', 1], ['b', 2]])).toContainAnyEntries([29  ]);30});31test('toContainAnyKeys', () => {32  expect(new Map([['a', 1], ['b', 2]])).toContainAnyKeys(['a', 'c']);33});34test('toContainEntry', () => {35  expect(new Map

Using AI Code Generation

1const { toBeSymbol } = require('jest-extended');2expect.extend({ toBeSymbol });3test('passes when value is a symbol', () => {4  expect(Symbol('foo')).toBeSymbol();5});6test('fails when value is not a symbol', () => {7  expect('foo').not.toBeSymbol();8});9✓ passes when value is a symbol (2ms)10✓ fails when value is not a symbol (1ms)

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